参数资料
型号: LTC4000EGN#PBF
厂商: Linear Technology
文件页数: 4/40页
文件大小: 0K
描述: IC CHARGER BATTERY 28-SSOP
产品培训模块: LTC4000 60V Battery Charging Controller and Power Management
标准包装: 49
系列: PowerPath™
功能: 充电管理,电源管理
电池化学: 多化学
电源电压: 3 V ~ 60 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.154",3.90mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
LTC4000
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are a t T A = 25°C. V IN = V CLN = 3V to 60V unless otherwise noted (Notes 2, 3).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Charge Termination
CX Pin Pull-Up Current
V CX = 0.1V
l
–5.5
–5.0
–4.5
μA
V CX,IBMON(OS)
CX Comparator Offset Voltage, IBMON Falling
V CX = 0.1V
l
0.5
10
25
mV
V CX,IBMON(HYS)
CX Comparator Hysteresis Voltage
5
mV
TMR Pull-Up Current
TMR Pull-Down Current
V TMR = 0V
V TMR = 2V
–5.0
5.0
μA
μA
TMR Pin Frequency
TMR Threshold for CX Termination
C TMR = 0.01μF
l
400
500
2.1
600
2.5
Hz
V
t T
Charge Termination Time
C TMR = 0.1μF
l
2.3
2.9
3.5
h
t T /t BB
Ratio of Charge Terminate Time to Bad Battery C TMR = 0.1μF
Indicator Time
l
3.95
4
4.05
h/h
V NTC(COLD)
V NTC(HOT)
NTC Cold Threshold
NTC Hot Threshold
V NTC Rising, % of V BIAS
V NTC Falling, % of V BIAS
l
l
73
33
75
35
77
37
%
%
V NTC(HYS)
NTC Thresholds Hysteresis
% of V BIAS
5
%
V NTC(OPEN)
NTC Open Circuit Voltage
% of V BIAS
l
45
50
55
%
R NTC(OPEN)
NTC Open Circuit Input Resistance
300
Voltage Monitorin g and Open Drain Status Pins
V VM(TH)
VM Input Falling Threshold
l
1.176
1.193
1.204
V
V VM(HYS)
VM Input Hysteresis
40
mV
VM Input Current
I RST , CHRG , FLT (LKG) Open Drain Status Pins Leakage Current
V VM = 1.2V
V PIN = 60V
±0.1
±1
μA
μA
V RST , CHRG , FLT (VOL) Open Drain Status Pins Voltage Output Low
I PIN = 1mA
l
0.4
V
Input PowerPath Control
Input PowerPath Forward Regulation Voltage
Input PowerPath Fast Reverse Turn-Off
Threshold Voltage
Input PowerPath Fast Forward Turn-On
Threshold Voltage
V IID,CSP , 3V ≤ V CSP ≤ 60V
V IID,CSP , 3V ≤ V CSP ≤ 60V,
V IGATE = V CSP – 2.5V,
?I IGATE /? V IID,CSP ≥ 100μA/mV
V IID,CSP , 3V ≤ V CSP ≤ 60V,
V IGATE = V IID – 1.5V,
?I IGATE /? V IID,CSP ≥ 100μA/mV
l
l
l
0.1
–90
40
8
–50
80
20
–20
130
mV
mV
mV
Input Gate Turn-Off Current
Input Gate Turn-On Current
V IID = V CSP , V IGATE = V CSP – 1.5V
V CSP = V IID – 20mV,
V IGATE = V IID – 1.5V
–0.3
0.3
μA
μA
I IGATE(FASTOFF)
I IGATE(FASTON)
Input Gate Fast Turn-Off Current
Input Gate Fast Turn-On Current
V CSP = V IID + 0.1V,
V IGATE = V CSP – 3V
V CSP = V IID – 0.2V,
V IGATE = V IID – 1.5V
–0.5
0.7
mA
mA
V IGATE(ON)
Input Gate Clamp Voltage
Input Gate Off Voltage
I IGATE = 2μA, V IID = 12V to 60V,
V CSP = V IID – 0.5V, Measure
V IID – V IGATE
I IGATE = – 2μA, V IID = 3V to 59.9V,
V CSP = V IID + 0.5V, Measure
V CSP – V IGATE
l
l
13
0.45
15
0.7
V
V
4000fb
4
For more information www.linear.com/LTC4000
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